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【简答题】
A．Sorry, I don't know. B．At 8 p.m. C．Yes, I'd love to. D．With pleasure.
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【多选题】监视与诊断过程中的信号检测必须满足以下（ ）的要求。 A 随机性 B 在线性 C 实时性 D 一致性
A.
随机性
B.
在线性
C.
实时性
D.
一致性
查看完整题目与答案
【单选题】I was told that my father had emailed me the other day, but I didn't receive ________. [     ]
A.
it
B.
one
C.
anything
D.
nothing
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【单选题】----I didn't receive any e-mail from you,why? ----( )
A.
Oh,my compuer is down.
B.
It doesn't matter.
C.
I think it's OK.
D.
Never mind.
查看完整题目与答案
【单选题】I was on __________ last week and didn't receive your fax.
A.
vacation
B.
vocation
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【单选题】He said he had called me to return home, but I didn't receive _____. [     ]
A.
one
B.
it
C.
anyone
D.
anything
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【单选题】电流表的符号是。
A.
圈A
B.
无
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【单选题】I wrote to that company a week ago, but I didn't receive any reply．
A.
information
B.
answer
C.
word
D.
message
查看完整题目与答案
【简答题】Getting plenty of exercise is very important. I enjoy swimming very much. Last summer I went to the beach every day. I plan to go there this summer too, but I may not be able to, I have a new job. Som...
查看完整题目与答案
【单选题】I ______ a letter from him since he left. [     ]
A.
didn't receive
B.
haven't got
C.
didn't have
D.
haven't had
查看完整题目与答案
【单选题】I______ from him since he left. A. didn't receive B. haven't got C. didn't have D. haven't heard
A.
didn't receive
B.
haven't got
C.
didn't have
D.
haven't heard
查看完整题目与答案
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【多选题】监视与诊断过程中的信号检测必须满足以下（ ）的要求。 A 随机性 B 在线性 C 实时性 D 一致性
A.
随机性
B.
在线性
C.
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D.
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【单选题】I was told that my father had emailed me the other day, but I didn't receive ________. [     ]
A.
it
B.
one
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anything
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nothing
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【单选题】----I didn't receive any e-mail from you,why? ----( )
A.
Oh,my compuer is down.
B.
It doesn't matter.
C.
I think it's OK.
D.
Never mind.
查看完整题目与答案
【单选题】I was on __________ last week and didn't receive your fax.
A.
vacation
B.
vocation
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【单选题】He said he had called me to return home, but I didn't receive _____. [     ]
A.
one
B.
it
C.
anyone
D.
anything
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【单选题】电流表的符号是。
A.
圈A
B.
无
查看完整题目与答案
【单选题】I wrote to that company a week ago, but I didn't receive any reply．
A.
information
B.
answer
C.
word
D.
message
查看完整题目与答案
【简答题】Getting plenty of exercise is very important. I enjoy swimming very much. Last summer I went to the beach every day. I plan to go there this summer too, but I may not be able to, I have a new job. Som...
查看完整题目与答案
【单选题】I ______ a letter from him since he left. [     ]
A.
didn't receive
B.
haven't got
C.
didn't have
D.
haven't had
查看完整题目与答案
【单选题】I______ from him since he left. A. didn't receive B. haven't got C. didn't have D. haven't heard
A.
didn't receive
B.
haven't got
C.
didn't have
D.
haven't heard
查看完整题目与答案